Warm air humidifier



FIG. 1 is a front elevational view of the design of the humidifier of the present invention;

FIG. 2 is a top plan view of the humidifier of FIG. 1;

FIG. 3 is a rear elevational view of the humidifier;

FIG. 4 is a side view looking at the humidifier from the left of FIG. 1;

FIG. 5 is a side view looking from the right of FIG. 1; and,

FIG. 6 is a bottom view of the humidifier. 

The ornamental design for a warm air humidifier, as shown. 